87062500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 84

約数和(自身を含む): 218747200

約数和(自身を除く): 131684700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 199, 250, 350, 398, 500, 625, 700, 796, 875, 995, 1250, 1393, 1750, 1990, 2500, 2786, 3125, 3500, 3980, 4375, 4975, 5572, 6250, 6965, 8750, 9950, 12500, 13930, 15625, 17500, 19900, 21875, 24875, 27860, 31250, 34825, 43750, 49750, 62500, 69650, 87500, 99500, 109375, 124375, 139300, 174125, 218750, 248750, 348250, 437500, 497500, 621875, 696500, 870625, 1243750, 1741250, 2487500, 3109375, 3482500, 4353125, 6218750, 8706250, 12437500, 17412500, 21765625, 43531250, 87062500]

約数ペア:

[(1, 87062500), (2, 43531250), (4, 21765625), (5, 17412500), (7, 12437500), (10, 8706250), (14, 6218750), (20, 4353125), (25, 3482500), (28, 3109375), (35, 2487500), (50, 1741250), (70, 1243750), (100, 870625), (125, 696500), (140, 621875), (175, 497500), (199, 437500), (250, 348250), (350, 248750), (398, 218750), (500, 174125), (625, 139300), (700, 124375), (796, 109375), (875, 99500), (995, 87500), (1250, 69650), (1393, 62500), (1750, 49750), (1990, 43750), (2500, 34825), (2786, 31250), (3125, 27860), (3500, 24875), (3980, 21875), (4375, 19900), (4975, 17500), (5572, 15625), (6250, 13930), (6965, 12500), (8750, 9950)]